CVE-2026-53114 — perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler
In the Linux kernel, the following vulnerability has been resolved: perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler Calling perf_allow_kernel() from t…
Published: 2026-06-24 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler Calling perf_allow_kernel() from the NMI context is unsafe and could be fatal. Capture the permission at event-initialization time by storing it in event->hw.flags, and have the NMI handler rely on that cached flag instead of making the call directly.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7